Monitor blogs and RSS/Atom feeds for updates using the blogwatcher CLI.
78
70%
Does it follow best practices?
Impact
100%
1.96xAverage score across 3 eval scenarios
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./skills/blogwatcher/SKILL.mdQuality
Discovery
40%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
The description identifies a clear niche (RSS/Atom feed monitoring via blogwatcher CLI) which makes it distinctive, but it is too terse. It lacks a 'Use when...' clause and doesn't enumerate specific capabilities beyond 'monitor for updates', making it harder for Claude to know when to select this skill.
Suggestions
Add a 'Use when...' clause with trigger terms like 'Use when the user wants to track blog updates, subscribe to RSS feeds, check for new posts, or manage feed subscriptions'.
List more specific actions the skill supports, such as 'add/remove feeds, check for new posts, list tracked blogs, configure update intervals'.
Include common user-facing synonyms like 'news feeds', 'subscribe', 'new posts', 'feed reader' to improve trigger term coverage.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Names the domain (blogs, RSS/Atom feeds) and one action (monitor for updates), and mentions the specific tool (blogwatcher CLI), but doesn't list multiple concrete actions like adding feeds, filtering, configuring alerts, etc. | 2 / 3 |
Completeness | Describes what it does (monitor blogs and feeds) but completely lacks a 'Use when...' clause or any explicit trigger guidance for when Claude should select this skill. Per rubric guidelines, a missing 'Use when...' clause caps completeness at 2, and the 'what' portion is also thin, warranting a 1. | 1 / 3 |
Trigger Term Quality | Includes relevant keywords like 'blogs', 'RSS', 'Atom', 'feeds', and 'blogwatcher' which users might naturally say, but misses common variations like 'subscribe', 'news feeds', 'feed reader', 'new posts', or 'syndication'. | 2 / 3 |
Distinctiveness Conflict Risk | The combination of RSS/Atom feeds, blog monitoring, and the specific 'blogwatcher CLI' tool creates a clear niche that is unlikely to conflict with other skills. | 3 / 3 |
Total | 8 / 12 Passed |
Implementation
100%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is a well-crafted, concise skill that provides all necessary information for using the blogwatcher CLI without any unnecessary verbosity. The commands are concrete and copy-paste ready, the example output helps set expectations, and the logical ordering of commands creates an implicit workflow. A strong example of a simple skill done right.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | Every line serves a purpose—install, commands, example output. No unnecessary explanations of what RSS feeds are or how Go works. Lean and efficient. | 3 / 3 |
Actionability | Provides fully copy-paste ready commands for every common operation (add, list, scan, read, remove) with concrete examples including URLs and arguments. | 3 / 3 |
Workflow Clarity | This is a simple, non-destructive CLI tool. The commands are listed in a logical sequence (add → list → scan → articles → read → remove) that naturally guides usage. No destructive/batch operations requiring validation checkpoints. | 3 / 3 |
Progressive Disclosure | For a simple, single-purpose CLI skill under 50 lines, the content is well-organized with clear sections (install, quick start, commands, example output, notes). No need for external references given the scope. | 3 / 3 |
Total | 12 / 12 Passed |
Validation
72%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 8 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
metadata_version | 'metadata.version' is missing | Warning |
metadata_field | 'metadata' should map string keys to string values | Warning |
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 8 / 11 Passed | |
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